I find the antenna system loses a *lot* of its effectiveness when the ladder line is wet. As a guess I'd say a half or more of the received signal strength is lost (and , I suppose, similarly for transmit) when the line is wet..
When not wet its a very effective component in my antenna system. I've been using a 131' center fed Zepp with ladder line and Cecil Moore's (W5DXP) "non-tuner" for about 10 years and am very pleased with the results. See http://www.w5dxp.com/notuner.htm for details. 73, Lenny W2BVH Geoffrey Mackenzie-Kennedy wrote: > Sorry for an off-topic question. Does anyone have any information about the > dry vs wet characteristics of "450 ohm" ladder line? I have never used this > type of line, but I might have to use it for "mechanical" reasons to feed > another antenna now being built. I am told that its characteristics change > when wet from rain, but which characteristics change and by how much at HF. > A remote ATU to compensate is not to be used with this particular antenna / > feeder. > > Any comment would be appreciated. > > 73, > > Geoff > GM4ESD > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
